a motorcycle travels down the street at a constant velocity of 25 m/s . assuming the motorcycle does not accelerate during the next 40 seconds it will travel..

The  reaction forces are as follows:

Reaction forces are the force which act in an opposite direction to an applied force.

According to Newton's third law of motion, action and reaction are equal but oppositely-directed.

Considering the given forces, the reaction forces are as follows:

A baseball bat hits a ball = the reaction force is that of the ball hitting the bat

A bowling ball pushes up against the pins = the pins pushing against the bowling ball

Air particles push outward against a balloon = the walls of the balloon pushing against the air particles

During an earthquake, tectonic plates move = the weight of the tectonic plates.

Learn more about reaction forces at: https://brainly.com/question/1013858

#SPJ1

The current produced by a 12-volt battery supplying 6 watts of power is 0.5 amperes.

To calculate the current produced by a 12-volt battery supplying 6 watts of power, we can use the formula:

current = power / voltage

Substituting the given values:

current = 6 watts / 12 volts

Simplifying the expression:

current = 0.5 amperes

Therefore, the current produced by the battery is 0.5 amperes.

About calculate here:

https://brainly.com/question/12633131

#SPJ11

The current produced by a 12-volt battery supplying 6 watts of power is 0.5 amperes.

To calculate the current produced by a 12-volt battery supplying 6 watts of power, you can use Ohm's Law, which states that the current (I) is equal to the power (P) divided by the voltage (V):

I = P / V

Substituting the given values:

P = 6 watts

V = 12 volts

I = 6 watts / 12 volts

I = 0.5 amperes (A)

Therefore, the current produced by the 12-volt battery supplying 6 watts of power is 0.5 amperes.

To know more about Ohm's Law refer here

https://brainly.com/question/1247379#

#SPJ11

When the energy in a system is transformed, the total amount of energy in the system is always conserved.

The changing of one form of energy into another, or the movement of energy from one place to another. An energy transformation is a change of power from one form to another. Fire (Chemical energy Heat and Light) Electric lamp (Electrical energy Heat and Light), Microphone (Sound Electrical energy), Wave power (Mechanical energy Electrical energy). Energy transformation is also known as energy regeneration which is a process of changing energy from one form to another. Energy transformations are procedures that convert energy from one type, for example, kinetic, gravitational potential, and chemical energy.

So we can conclude that an energy transformation is the change of energy from one form to another.

Learn more about energy here: https://brainly.com/question/13881533

#SPJ1

The average speed for the round trip would be approximately 54.5 km/h.

To calculate the average speed for the round trip, we use the concept of the harmonic mean. The harmonic mean is defined as the reciprocal of the arithmetic mean of the reciprocals of the speeds. In this case, we have two speeds: 42 km/h and 73 km/h.

To find the harmonic mean, we take the reciprocals of the speeds: 1/42 km/h and 1/73 km/h. Then we calculate the arithmetic mean of these reciprocals: (1/42 + 1/73) / 2.

Now, to find the average speed, we take the reciprocal of the result obtained from the arithmetic mean of the reciprocals. Thus, the average speed for the round trip would be approximately 1 / ((1/42 + 1/73) / 2), which simplifies to approximately 54.5 km/h.

To learn more about average speed, click here:

brainly.com/question/13318003

#SPJ11

The magnitude of the average acceleration of the ball during its contact with the wall is  68000 m/s².

When the ball collides with the wall, it experiences a change in momentum. The time interval during which the ball is in contact with the wall is 3.95 ms, or 0.00395 s. Using the principle of conservation of momentum,

We  use the average acceleration formula to find the acceleration of the ball during the collision.Initial momentum of the ball before collision = m₁v₁ = (0.0515 kg)(27.0 m/s) = 1.3905 kg⋅m/s. Final momentum of the ball after collision = m₂v₂ = (0.0515 kg)(-19.0 m/s) = -0.9785 kg⋅m/s

According to the conservation of momentum, the initial momentum is equal to the final momentum, so:m₁v₁ = m₂v₂

1.3905 kg⋅m/s = -0.9785 kg⋅m/s  Solving for the mass, we get: = 0.0515 kg

Using the average acceleration formula: a = Δv/Δt = (v₂ - v₁)/Δt = (-19.0 m/s - 27.0 m/s)/0.00395 s = -16455.7 m/s² Since the acceleration is in the opposite direction to the initial velocity, we take the magnitude to be: |a| = 16455.7 m/s² ≈ 68000 m/s².

To know more about acceleration , refer here:

https://brainly.com/question/31479424#

#SPJ11

This is the expression for the difference between the magnitude of tension in the string at the bottom relative to that at the top of the circle.

\(Tb - Tt = m * (vb^2 - vt^2) / L + 2mg\)

The difference between the magnitude of tension in the string at the bottom relative to that at the top of the circle, we can follow these steps:
Step 1: Analyze the forces at the top and bottom of the circle
At the top of the circle, two forces are acting on the ball: gravitational force (mg) and tension force (Tt) in the string, both directed downward.

At the bottom of the circle, gravitational force (mg) is directed downward, while tension force (Tb) in the string is directed upward.
Step 2: Apply Newton's second law at the top and bottom of the circle
Newton's second law states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration.

We can apply this law to the ball at the top and bottom of the circle.
Top of the circle:
\(Tt + mg = m * (vt^2 / L)\)
Bottom of the circle:
\(Tb - mg = m * (vb^2 / L)\)
Step 3: Solve for Tb and Tt
From the equations in step 2, we can now solve for the tension forces at the top and bottom of the circle:
\(Tt = m * (vt^2 / L) - mg\)
\(Tb = m * (vb^2 / L) + mg\)
Step 4: Find the difference between Tb and Tt
The difference between the magnitudes of tension at the bottom relative to the top of the circle is given by:
\(Tb - Tt = [m * (vb^2 / L) + mg] - [m * (vt^2 / L) - mg]\)
Step 5: Simplify the equation
Combine the terms and simplify the equation to find the difference:
\(Tb - Tt = m * (vb^2 - vt^2) / L + 2mg\)

For similar question on string.

https://brainly.com/question/24113108

#SPJ11

Answer:

vector of zero magnitude

Explanation:

The displacement is a vector magnitude, therefore, in addition to being a module, it has direction and sense.

In this case it moved 350 m and then returned the same 350 m, so the total displacement is zero.

If we draw the vector, one has a directional direction to the right and the other direction to the left, therefore when adding the two vectors gives a vector of zero magnitude

The force that a magnet exerts on certain materials, including other magnets, is called magnetic force.

Learn more about Magnetic force refer to ;

https://brainly.com/question/25932320

#SPJ1

The maximum current and the phase angle between the current and the source emf in this circuit is 0.339 A.

The maximum potential difference across the inductor and the phase angle between this potential difference and the current in the circuit are 33.8 V and 73.4°.

The maximum potential difference across the capacitor and the phase angle between this potential difference and the current in this circuit are 24.4 V and -106.6°.

How does impedance work?

Impedance is a unit of measurement for the resistance to electrical flow, and it is represented by the letter Z. It is measured in ohms. For DC systems, the quantities resistance and impedance—which are determined by dividing the voltage across an element by the current—are equivalent.

The maximum current and phase angle in this circuit between the current and the source emf are:

Xl = 2πfL = 2π × 50.0 × 0.792 = 99.36 Ω

Xc = 1/(2πfC) = 1/(2π × 50.0 × 44.3 × 10^-6) = 72.06 Ω

Z = √(R² + (Xl - Xc)²) = √(278² + (99.36 - 72.06)²) = 353.3 Ω

φ = arctan((Xl - Xc)/R) = arctan((99.36 - 72.06)/278) = 0.289 rad = 16.6°

Imax = V/Z = 120.0/353.3 = 0.339 A

The maximum potential difference across the inductor and the phase angle between this potential difference and the current in the circuit:

VL, max = Imax Xl = 0.339 × 99.36 = 33.8 V

90° - φ = 73.4°.

The maximum potential difference across the capacitor and the phase angle between this potential difference and the current in this circuit:

VC, max = Imax Xc = 0.339 × 72.06 = 24.4 V

-90° - φ = -106.6°.

To learn more about Impedance visit here:

brainly.com/question/30040649

#SPJ4

Answer:

a)603 km/hr

Explanation:

Answer:

the speed of the wave on the string is 43.16 m/s

Explanation:

Given;

first harmonic of the wave formed by the string, f₀ = 26 Hz

length of the string, L = 0.83 m

The wavelength for first harmonic of the wave is calculated as;

L = N ----> N

L = λ₀/2

λ₀ = 2L

The speed of the wave on the string is calculated as follows;

v = f₀λ₀

v = f₀ x 2L

v = 26 x 2 x 0.83

v = 43.16 m/s

Therefore, the speed of the wave on the string is 43.16 m/s

Answer: A E F H

Explanation: Hey I'm Lola I'm happy to help you I'm 16 years old! :D

Answer:it’s actually BCD

Explanation:

you’re welcome

When a vehicle turns, its rear wheels will follow a shorter path than its front wheels.

This is because the rear wheels of a vehicle follow a narrower radius in a turn compared to the front wheels due to the vehicle's turning pivot being closer to the front. This difference in path results in a phenomenon called "oversteer" where the rear of the vehicle swings out wider than the front during a turn. Oversteer can be used to intentionally initiate drifts in high-performance driving or corrected using counter-steering techniques to regain control of the vehicle.

Know more about shorter path here:

https://brainly.com/question/16929107

#SPJ11

Answer:

I don't understand what your asking

Explanation:

I really don't know

it takes the man 160 seconds or 2 minutes and 40 seconds to row back upriver to reclaim his hat.

The speed of the river's current is 1 m/s, and the canoe's speed relative to the water is 4 m/s downstream. Thus, the man paddles a canoe in a long, straight section of the river. The speed of the man relative to the bank is 4 - 1 = 3 m/s upstream.

The distance that the hat floats downstream during the eight-minute interval is equal to the product of the speed and time:

distance = speed x time= 1 m/s x (8 x 60 s) = 480 m.

The man must paddle back upstream to recover the hat. Since the distance to the hat is 480 meters, he will have to paddle 480 meters upstream. Let's use the formula for velocity and distance;

time = distance / velocity

In this instance, since he is paddling upstream, his velocity is the difference between the speed of the canoe relative to the water and the velocity of the river's current. Thus, his velocity is 4 - 1 = 3 m/s.

Using the formula, we obtain:

time = 480 m / 3 m/s

time = 160 s

Therefore, it takes the man 160 seconds or 2 minutes and 40 seconds to row back upriver to reclaim his hat.

learn more about velocity here

https://brainly.com/question/80295

#SPJ11

The distance the wave traveled between the two-point is the path difference. The path difference will be 2200 nm and 3 orders of bright lines do this equal red light with a wavelength of 650 nm.

A diffraction grating is a type of optical instrument obtained with a continuous pattern. The pattern of the diffracted light by a grating depends on the structure and number of elements present.

The equation of diffraction grating is given as

\(\rm n\lambda=dsin\phi\\\\\rm n\lambda=0.50\times10^{-3}\times sin(0.25) \\\\ n\rm \lambda=2.18\times10^{-6} \;m \\\\\rm n\lambda=2200\;nm\)

Hence the path difference will be 2200 nm.

\(\rm n\lambda=2200\;nm \\\\\rm n\times650=2200 \\\\\rm n=3.38\)

n= 3

Hence 3 orders of bright lines do this equal red light with a wavelength of 650 nm.

To learn more about diffraction grating refer to the link;

https://brainly.com/question/1812927

The flash and report method is a simple and common technique used to measure the speed of sound. In this method, an observer measures the time between seeing a flash, such as from a gunshot or a firecracker, and hearing the corresponding sound. The observer is usually at a known distance from the source of the flash and sound.

To perform the experiment, the observer stands at a fixed distance away from the source of the flash and sound. When the flash is seen, they start a stopwatch or use any other timing device. Once they hear the sound, they stop the timer and note the time difference between the flash and the sound. This time difference is the time it takes for the sound to travel from the source to the observer.

The speed of sound can then be calculated using the formula: speed of sound = distance / time taken. The distance between the observer and the source is divided by the time difference recorded to find the speed of sound in the medium (usually air).

It is essential to ensure that the distance between the source and the observer is accurate and that the observer's reaction time is considered when measuring the time difference. External factors such as temperature, humidity, and altitude also affect the speed of sound and should be taken into account.

For more such questions on sound, click on:

https://brainly.com/question/27951129

#SPJ11

The probable question may be:

Discuss the measurement of the speed of sound using the flash and report method?

Answer:

Answer is option 3 or

Explanation:

Diagram 2 best represents the charge distribution on the smaller sphere. Therefore, the correct option is option 2.

Charge is a physical attribute that causes matter in such an electromagnetic field to experience a force. Electric charges can be either positive or negative.

If there is no net electric charge, the substance is termed neutral or uncharged. Like charges repel each other (for example, two positive charges repelling two negative charges). Charges with opposing charges (positively and negatively) attract each other. Diagram 2 best represents the charge distribution on the smaller sphere.

Therefore, the correct option is option 2.

To know more about charge, here:

https://brainly.com/question/29166194

#SPJ6

Answer:

a = 5

Explanation:

F = M × A

15 = 3 × a

a = 15 / 3

a = 5

This is only if the toy can is pushing the book or smth coz the question looks incomplete...?

Answer:

5 m/s^2

Explanation:

Realize that Newton's Second Law explains that the net force is equal to the mass mulitplied by the acceleration, or in simple terms, F=ma. In the problem, the force is 15 newtons, and the mass is 3 kg. Substiting and dividing, we get 5 m/s^2 (5 meters per second squared).

1. 107.1 MHz frequency: wavelength ≈ 2.80 meters.

2. 2.12 × 10^(-10) m wavelength: ultraviolet (UV) range.

3. 3.97 × 10^(-19) J/photon energy: visible light, possibly blue or violet.

To identify each type of electromagnetic radiation, we can use the relationships between frequency, wavelength, and energy of electromagnetic waves.

The equation that relates frequency (f) and wavelength (λ) of electromagnetic waves is:

c = f * λ

where c is the speed of light in a vacuum, approximately 3.00 × 10^8 m/s.

Given the frequency of 107.1 MHz, we can calculate the corresponding wavelength using the above equation:

107.1 MHz = 107.1 × 10^6 Hz

c = f * λ

λ = c / f = (3.00 × 10^8 m/s) / (107.1 × 10^6 Hz) ≈ 2.80 m

Therefore, the electromagnetic radiation with a frequency of 107.1 MHz corresponds to a wavelength of approximately 2.80 meters.

The second type of electromagnetic radiation has a wavelength of 2.12 × 10^(-10) m, which is in the range of the ultraviolet (UV) region of the electromagnetic spectrum.

Lastly, the third type of electromagnetic radiation has photons with an energy of 3.97 × 10^(-19) J/photon. This energy corresponds to photons in the visible light range, specifically within the blue or violet region of the spectrum.

Learn more about electromagnetic radiation here: https://brainly.com/question/29646884

#SPJ11

When light travels through air and reflects off the surface of a puddle of water, the phase of the reflected wave is indeed different than the incoming wave. This is because when light reflects off a surface, it undergoes a phase shift of 180 degrees. This means that the peaks of the reflected wave will correspond to the troughs of the incoming wave, and vice versa.

To understand why this happens, it's helpful to think about how waves work. Waves are characterized by their amplitude (height), wavelength (distance between peaks), and phase (position of the wave relative to a fixed point). When a wave reflects off a surface, it encounters a boundary where the medium changes (in this case, from air to water). This boundary causes the wave to undergo a phase shift of 180 degrees, which changes the position of the peaks and troughs of the wave.

So in summary, when light reflects off the surface of a puddle of water, the phase of the reflected wave is different than the incoming wave because of the phase shift that occurs at the air-water boundary.

Yes, the phase of the reflected light wave is different from the incoming wave. When light reflects off a surface like water, a phase change of 180 degrees occurs if the refractive index of the second medium (water) is higher than that of the first medium (air). This phase change results in an inverted reflected wave compared to the incoming wave.

To know more about refractive index visit:-

https://brainly.com/question/30761100

#SPJ11

The action spectrum is broader than the absorption spectrum because the action spectrum represents the overall efficiency of photosynthesis, while the absorption spectrum only shows the wavelengths of light absorbed by pigments.

In the action spectrum, a wider range of wavelengths contributes to photosynthesis, as it takes into account the energy conversion process and the involvement of accessory pigments that can absorb different wavelengths and transfer energy to the main photosynthetic pigments.

This results in a broader action spectrum compared to the absorption spectrum.

To know more about absorption spectrum:

https://brainly.com/question/14282264

#SPJ11

Answer: Depends on their adaptions such as they may be able to change their color of their skin to camouflage to hide from predators or they are able to survive in harsh weather where they live in.

Explanation:

Answer: An adaptation is a very particular skill which helps an animal do the things they do in every day life .  Adaptation basically helps an animal survive in the environment they have decided to live in .

Hoped I helped -

Sleepy~

Answer:

The work done on the hose by the time the hose reaches its relaxed length is 776.16 Joules

Explanation:

The given spring constant of the of the spring, k = 88.0 N/m

The length by which the hose is stretched, x = 4.20 m

For the hose that obeys Hooke's law, and the principle of conservation of energy, the work done by the force from the hose is equal to the potential energy given to the hose

The elastic potential energy, P.E., of a compressed spring is given as follows;

P.E. = 1/2·k·x²

∴ The potential energy given to hose, P.E. = 1/2 × 88.0 N/m × (4.20 m)²

1/2 × 88.0 N/m × (4.20 m)² = 776.16 J

The work done on the hose = The potential energy given to hose, P.E. = 776.16 J

Answer:

it will be almost on the ground

Explanation:

i say this because the boom is heavy and its going down fast so it will not be in the air or on the floor it will be akmost o the ground.

The correct unit used to measure the electric potential difference is Volts.

Joules is used to measure energy.

Newtons is used to measure forces.

Centimeters is used to measure distance.

Therefore the correct option is the first one.

\( \sf• \: The \: current \: in \: a \: circuit \: is \: 5 \: amps. \: and \: resistance \: is \: 30 \: Ohms.\)

\( \\ \)

\( \sf{• \: The \: Potential \: Difference. }\)

\( \\ \)

\( \huge\bf{ \underline{ Solution:- }}\)

\( \sf According \: to \: the \: question, \)

\( \sf• \: Current \: (I) = 5 \: Amps.\)

\( \sf• \: Resistance \: (R) = 30 \: Ω\)

\( \sf{Potential \: difference \: means \: Voltage \: ( V).}\)

\( \sf{We \: know \: that, }\)

\( \bf \red{ \bigstar{ \: V = IR }}\)

\( \rightarrow \sf V =5 \times 30\)

\( \rightarrow \sf V =150\)

\( \\ \)

\( \sf \purple{Therefore, \: the \: potential \: difference \: is \: 150 \: v \: .}\)

Answer:

The results is                  Li₂O

Explanation:

n a chemical reaction, the electron miner in the formula must be balanced, that is, the number of positive and negative charges is the same

In this case, oxygen has a valence of -2 that is, it can give two electrons and lithium has a valence of +1, therefore two lithium atoms are needed for the charges to be neutral, therefore the chemical formula is

The results is                  Li₂O

Answer:

Li2O

Explanation:

just took the test on edge

Answer:

Answer: B. 49 N

Explanation:

Friction Force

When an object is at rest on a rough surface, it encounters a friction force that opposes motion.

The friction force when an object is moving on a horizontal surface is calculated by:

\(Fr=\mu_k N\)

Where \(\mu_k\) is the coefficient of static friction and N is the normal force.  

If no forces other then the weight and the normal are acting upon the y-direction, then the weight and the normal are equal in magnitude:

N = W = m.g

Thus, the friction force is:

\(Fr=\mu_k W\)

We are given the coefficient of static friction \(\mu_k=0.5\) and the mass of the object m=10 Kg. The minimum force needed to make it start moving is the maximum friction force:

Fr=0.5*10*9.8

Fr = 49 N

Answer: B. 49 N

The strain energy held in the rubber arms is the energy retained in the catapult immediately before release. Hooke's law can be used to determine the area under the stress-strain curve, which corresponds to the strain energy.

Calculations are mathematical problems or computations that rely on numerical data to get a result. They can be used to answer problems in a variety of disciplines, including engineering, economics, science, and finance. They can range from basic arithmetic to complicated calculus. Both manually performing calculations and using computers are options.

The following equation can be used to determine the strain energy in the catapult's arms:

Strain Energy = (Area of Cross Section) x (Modulus of Elasticity) x (Strain)

Where:

Cross Sectional Area = 4 mm x 300 mm = 1200 mm2

Modulus of Elasticity = 103 GPa

Strain = 3

As a result, the catapult's just-before-released strain energy is:

Strain Energy = 1200 mm2 x 103 GPa x 3 = 3,600,000 J

To know more about energy, visit:

https://brainly.com/question/2003548

#SPJ1